For generations, we’ve been taught that early equals disciplined and late equals lazy. But that’s not biology—it’s a moral story disguised as science. As an expert in applied chronobiology, I’ve spent more than 20 years studying how biological rhythms shape work and wellbeing. It turns out that about 30% of people are early chronotypes (morning types), 30% are intermediates, and 40% are late chronotypes (evening types). Yet most workplaces still run on early-riser time—rewarding visibility over value, and hours over outcomes.

When we align our schedules with our internal clocks, performance and motivation rise—but it takes courage to be honest about what that looks like. The people most disadvantaged in our contemporary workplaces are night owls (like myself), whose performance peaks much

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